May weather forecast
Herod, IL

Share

Weather in May

May, the last month of the spring in Herod, is a moderately hot month, with an average temperature ranging between min 58.1°F (14.5°C) and max 75.6°F (24.2°C).

Temperature

Noticing a change, the average high-temperature during May moves from April's refreshing 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). Throughout the month of May, Herod observes an average nighttime temperature of 58.1°F (14.5°C).

Humidity

May is the most humid month, with an average relative humidity of 79%.

Rainfall

In May, the rain falls for 18.5 days. Throughout May, 3.86" (98mm) of precipitation is accumulated. In Herod, during the entire year, the rain falls for 158.6 days and collects up to 36.02" (915mm) of precipitation.

Snowfall

In Herod, snow does not fall in May through September.

Daylight

In May, the average length of the day is 14h and 13min.
On the first day of May, sunrise is at 5:57 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:09 pm CDT.

Sunshine

In May, the average sunshine is 9.2h.

UV index

The months with the highest UV index in Herod, Illinois, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, the maximum UV index of 6 suggests these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In Herod, 75.6°F (24.2°C) is the average high-temperature and 58.1°F (14.5°C) is the average low-temperature during May.

What is the most humid month?

May is the most humid month, with an average relative humidity of 79%.

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in May?

In May, the rain falls for 18.5 days. Throughout May, 3.86" (98mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Herod have in May?

In Herod, the average day length in May is 14h and 13min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:57 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:09 pm CDT.

How many hours of sunshine does Herod have in May?

The average sunshine duration in May is 9.2h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Herod?

In Herod, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Herod, IL

Average temperature in May - Herod, IL
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in May
Herod, IL

Average pressure in May - Herod, IL
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Herod, IL

Average wind speed in May - Herod, IL
  • Average wind speed in May: 7.8mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Herod, IL

Average humidity in May - Herod, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Herod, IL

Average rainfall in May - Herod, IL
  • Average rainfall in May: 3.86"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in May
Herod, IL

Average rainfall days in May - Herod, IL
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in May
Herod, IL

Average snowfall in May - Herod, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Herod, IL

Average snowfall days in May - Herod, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Herod, IL

Average daylight in May / Average sunshine in May - Herod, IL
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Herod, IL

Average sunshine days in May - Herod, IL
  • Average sunshine days in May: 9.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in May
Herod, IL

Average UV index in May - Herod, IL
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in May
Herod, IL

Average cloud cover in May - Herod, IL
  • Average cloud cover in May: 38

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in May
Herod, IL

Average visibility in May - Herod, IL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Herod, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location